Hi, I am LOST!! I need help, I download that link and then the only option was run, so I run de program, and now I have no idea about where to find CMD LINE (or what does that means), Anyhow, I use my music all the time for my classes and I am lost with out the chance of using iTunes!! please help in a lenguage for dummies like me!!Thanks a lot!

Hi I am having the same problem and have tried doing the steps mentioned in the discussion with WinRar and the other steps, I tried switching off the firewall and still Itunes doesn't work saying it cannot find the Apple Application Support. I even tried downloading it seperatly and nothing. Did you guys find a solution to this misery? I'd be glad to know because I have a ipod touch and I need Itunes to put music on it. Thanks.

I've tried every single thing suggested in this thread and still have the same problem. I'm running Windows Vista 64-bit. Anyone willing to walk me through this? Otherwise I've just wasted my money on a worthless iPod.

Really wanted this to work and it didnt. I have a ipod and itouch so i NEED itunes ! I'm not going to give up until i solve this. I've tried ALL of these ideas that everyone has contributed and read EVERY post and nothing is working. Please help me out if you find something. I have a Samsung R519 and have Windows 7. Thankss

Had the same problem. Also with quicktime. I was able to install by saving the file and instead of just running it, I right clicked and used 'run as administrator'. Because it is faster, I first installed quicktime this way, then iTunes. I don't know if it will work on iTunes first.

I recently got a iPhone 4, and was having difficulty installing itunes on Windows 7. The itunes would install but when I tried to run the program I got the message about the Apple Application Support missing. I tried Cr4z33's suggestion and it worked beautifully. Thanks.

I've had problems since last week Thursday. I bought an iPhone 4 and installed iTunes. Opened iTunes, but when I tried to sync my phone, iTunes closed. An Apple tech told me to uninstall al Apple software in a specific order. I did, then reinstalled, and now iTunes doesn't open, and I get the "Error 2 (Windows Error 5)" code, saying "Apple Application Support was not found".

Called Apple again and talked to Gary. We went through uninstalling and reinstalling a number of different ways. Tried repair on Apple Application Support, didn't work. Tried manually installing just Apple Application Support, no good. He said he needed to research with Windows if we need to edit the Registry and never got back to me.

Called again and Justin helped me. We tried the same things, and a few other things. Used winRar to extract the msi files and repaired, and uninstalled manually. Spent about 3 hours uninstalling and reinstalling Apple software. He helped me make a log file and msinfo file so they can review it. I'll post anything if it can be resolved.

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